std/math/fabs.zig  | 19 +++++++++++++++++++
 std/math/index.zig | 12 +++++++++++-
 std/math/inf.zig   |  7 ++++---
 std/math/isinf.zig | 22 ++++++++++++++++++++++
 std/math/isnan.zig |  6 ++++++
 std/math/nan.zig   |  7 ++++---
 6 files changed, 66 insertions(+), 7 deletions(-)